Event: 4-Board Division 2

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Opponent	Rating	Result
Oleg Dukalev	142	½ - ½
Tim M Turner	161	½ - ½
Paul Kennedy	131	½ - ½
Giles Dunn	145	1 - 0
Stephen Greep	130	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

142 = (709 + 400 * (1 - 1)) / 5)